Acrimonious (تلخ) describes an argument, debate, or relationship that is angry and full of 'bitter' (تلخ) feeling and words.

An acquittal (بریت) is a judgment that a person is not guilty of the crime with which they have been charged. 'Clearance' (بریت) from charges is the correct meaning. 'Conviction' (سزا یابی) is the antonym.

An acquaintance (واقفیت) is a person one knows slightly, or it can mean knowledge or 'familiarity' (واقفیت) with someone or something. 'Ignorance' (لاعلمی) is an antonym.

Acidulous (ہلکا کھٹا) means sharp-tasting or sour. It is a milder version of 'acidic'. 'Slightly sour' (ہلکا سا کھٹا) is the precise meaning.

Acerbic (تلخ) literally means sharp and forthright, or tasting sour. When describing a tone or comment, it means 'bitter' (تلخ) or sharp.

To accumulate (جمع کرنا) means to gather together or acquire an increasing number or quantity of something. 'To pile' (ڈھیر لگانا) up suggests this gathering process. 'To collect' is also similar, but 'pile' implies accumulation over time.

To accrue (جمع ہونا) means to accumulate or be received in increasing amounts over time (like interest on money). It 'comes about by addition' (اضافے سے حاصل ہونا).

An accomplice (شریک جرم) is a person who helps another commit a crime. 'Companion in crime' (جرم میں ساتھی) is the exact definition.

An accolade (اعزاز) is an award or privilege granted as a special honour or as an acknowledgement of merit. 'Honour' (اعزاز) is the best synonym.

Acclimation (موافقت) is the process or result of becoming accustomed to a new climate or new conditions. 'Adaptation' (موافقت) to a new environment is the core meaning.